The concentration of solution will change when it is placed in a container which is made of:
1. | Al | 2. | Cu |
3. | Ag | 4. | None |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn the silver plating of copper, K[Ag(CN)2] is used instead of AgNO3. The reason is:
1. | A thin layer of Ag is formed on Cu |
2. | More voltage is required |
3. | Ag+ ions are completely removed from the solution |
4. | Less availability of Ag+ ions, as Cu can not displace Ag from [Ag(CN)2]– ion |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology